<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>欢迎----</title>
    <script>
        'use strict'
        function f2222() {
            const cc=1;
        }
        function f() {
        }
    </script>
</head>
<body>
欢迎来啊。。。。。static/welcome.html
cccc
</body>
</html>